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Search: id:A091236
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A091236 Nonprimes of form 4k+3. +0
2
15, 27, 35, 39, 51, 55, 63, 75, 87, 91, 95, 99, 111, 115, 119, 123, 135, 143, 147, 155, 159, 171, 175, 183, 187, 195, 203, 207, 215, 219, 231, 235, 243, 247, 255, 259, 267, 275, 279, 287, 291, 295, 299, 303, 315, 319, 323, 327, 335, 339, 343, 351, 355, 363 (list; graph; listen)
OFFSET

1,1

MATHEMATICA

Do[If[ !PrimeQ[n]&&Equal[Mod[n, 4], 3], Print[n]], {n, 1, 1000}]

CROSSREFS

Cf. A091113-A092256.

Sequence in context: A080945 A080946 A110703 this_sequence A053177 A145195 A096022

Adjacent sequences: A091233 A091234 A091235 this_sequence A091237 A091238 A091239

KEYWORD

easy,nonn

AUTHOR

Labos E. (labos(AT)ana.sote.hu), Feb 24 2004

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Last modified November 30 13:13 EST 2009. Contains 167758 sequences.


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